Question No. 6 [Marks 5, CLO (4)] a) The Windowing Method as one of basic methods used in design of FIR filters. Write a concise summary (not more than two pages) on this method, with especial emphasis on the rectangular window, its advantages, disadvantages, and methods of overcoming these disadvantages with simple illustrative examples. b) A digital filter is required to remove the undesirable hum associated with power supply in a ECG recording application. The sampling frequency used is fs - 500 samples/sec. Design a second-order FIR notch filter. Question No. 6 [Marks 5, CLO (4)] a) The Windowing Method as one of basic methods used in design of FIR filters. Write a concise summary (not more than two pages) on this method, with especial emphasis on the rectangular window, its advantages, disadvantages, and methods of overcoming these disadvantages with simple illustrative examples. b) A digital filter is required to remove the undesirable hum associated with power supply in a ECG recording application. The sampling frequency used is fs - 500 samples/sec. Design a second-order FIR notch filter